r_cal is a fast CLI tool for Google Calendar with natural language date parsing, event management, ICS import, and predicate filtering. Built with cli-kit for snappy performance.

Reline extensions adding completion navigation, fzf history search, and macOS clipboard helpers

adds Reline.puts which prints a string above the active prompt without corrupting it

reline library from scratch.

A terminal reader for Ruby's RI documentation with semantic colors, Ruby syntax highlighting, shell transcript recognition and dynamic shell completion. Uses the documentation installed for your active Ruby and gems.

ronin-core is a core library providing common functionality for all ronin libraries.

Polyglot AI coding agent with spatiotemporal composability, file buffering, and automated repair.

A standalone, self-contained coding and automation agent built on ruby_llm. Provides an agent loop, persistent memory, SQLite sessions, context compaction, a job system, a tool registry, and an extensible UI layer.

Claw is an Agent framework built on ruby-mana. Adds interactive chat, persistent memory with compaction, knowledge base, and runtime state persistence.

An AI-powered CLI coding assistant specialized for Ruby and Rails, featuring a 16-layer agentic architecture, local SQLite persistence, and Claude OAuth.

Byebug is a Ruby debugger. It's implemented using the TracePoint C API for execution control and the Debug Inspector C API for call stack navigation. The core component provides support that front-ends can build on. It provides breakpoint handling and bindings for stack frames among other things and it comes with an easy to use command line interface.

rush implements the POSIX.1-2017 Shell Command Language (IEEE Std 1003.1 §2) in pure Ruby, verified differentially against dash.

A NeoVim-compatible text editor written in pure Ruby on top of Reline.

chi is an agent harness for local and OpenAI-compatible models (llama.cpp, mlx, oMLX, hosted APIs). It runs sessions in a terminal REPL or in background workers you can attach to from the terminal and a web UI, keeps memories in plain files shared as bundles, and extends through hooks, guardrails, plugins and MCP servers.

Spurline is to AI agents what Rails is to web applications — opinionated, convention-driven, and designed so that the right thing is the easy thing.

Rake task generator for managing multi-language workspaces.

SwarmCLI provides a command-line interface for SwarmSDK, the lightweight multi-agent AI orchestration framework. Built with the TTY toolkit, it offers an intuitive and interactive way to define, manage, and execute AI agent swarms with progress indicators, formatted output, and comprehensive help documentation.

tempest is a REPL-style terminal client for Bluesky built on AT Protocol and Ruby 4.0.

A gem that automatically converts Thor command-line applications into interactive REPLs, maintaining state between commands and providing auto-completion for commands and parameters.

A client for using the UrlCategorise API in Ruby. Built from their api documentation. This is an unofficial project.